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If you are trying to perform an action that requires elevation on your Mac you will see a pop up like this:

If you enter your credentials and the pop up shakes horizontally then it means you are not an administrator.
You can grant yourself temporary administrative rights using Make Me Admin.
- Open Finder, select Applications, then scroll to Self Service

- You will see a Make Me Admin app. Click Install

- The Make Me Admin application installation process will begin

- Once the installation is complete, you will see this pop up. Click 'Make Me An Admin' and you will have the ability to use your user name and password to provide elevation to whatever application was requesting it
